Pandey, Parishrut Prasad, et al. “Utility of DECAF Score As A Bed Side Tool in Predicting Outcomes in Patient With Acute Exacerbation of Chronic Obstructive Pulmonary Disease”. Journal of College of Medical Sciences-Nepal, vol. 20, no. 1, Mar. 2024, pp. 7-11, doi:10.3126/jcmsn.v20i1.61365.